我有以下代碼:如何從一個DropDownList中的SelectedIndexChanged代碼隱藏恢復值
DropDownList1.Items.Clear();
DropDownList1.Items.Add("[Select city]");
while (CRegistro2.Read())
{
DropDownList1.Items.Add(CRegistro2[2].ToString() + " " + CRegistro2[0].ToString());
}
CRegistro2.Dispose();
CRegistro2.Close();
我如何可以增加價值,而不僅僅是文本或標籤,恢復它的SelectedIndexChanged